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ROI Calculator

Calculate return on investment (ROI), gain or loss, and annualized return (CAGR) for any investment period.

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About the ROI Calculator

ROI measures how much an investment earned relative to its cost. A total ROI on its own can mislead — 50% over ten years is very different from 50% in one — so the calculator also shows the annualized return (CAGR) when you enter the holding period.

How to use it

  1. Enter the amount invested and the final value.
  2. Optionally enter the number of years.
  3. Compare ROI and annualized ROI.

Good to know

  • Results are estimates for planning purposes and not financial, tax or legal advice. Lenders and tax authorities may calculate differently.
  • Include all costs (fees, taxes, maintenance) in the amount invested for a realistic ROI.

Frequently asked questions

What is a good ROI?

It depends on risk. Broad stock-market indexes have historically returned roughly 7–10% per year before inflation.

What is CAGR?

Compound annual growth rate: the constant yearly rate that turns the start value into the end value.

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